//
//  AppHelper.h
//
//  Created by xm on 2025/6/20.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface AppHelper : NSObject

+ (NSString *)hexStringFromData:(NSData *)data;
+ (NSString *)getStringByString:(nullable NSString*)str;

@end

NS_ASSUME_NONNULL_END
